Standard head bolts which were all tight although two in from bulk head were a little looser than first two and group a head gasket all valves same colour carbons in header tank and using water and in the oil. the head was covered in copper grease all on the inlet side and even over to the pistons although when i slid the head over it could have moved grease over seems alot not been overheating as i new the last owner. Why purpose would this serve to bodge it up???